{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "To directly study the role of Col3a1 in development and disease , we have inactivated the Col3a1 gene in embryonic stem cells by homologous recombination ."}
{"Disease": []}